android.os.storage - Android SDK | Android Developers
Android APIs
Added in API level 9
package

android.os.storage

Contains classes for the system storage service, which manages binary asset filesystems known as Opaque Binary Blobs (OBBs).

Classes

OnObbStateChangeListener Used for receiving notifications from StorageManager about OBB file states. 
StorageManager StorageManager is the interface to the systems storage service.